That's the thing about being homeless: You're living in a legal gray area, often with no permanent address or photo ID, and you can get picked up for any number of activities that constitute your daily life: loitering, panhandling, public urination, sleeping where you ought not.

A few years back, I went to a nearby diner for some iced coffee and was turned down on a refill. Why is it coffee coming from the same pot can be bottomless yet tossing in a few ice cubes makes it not so?